---> uname -a:
Linux prd-ubuntu1804-builder-4c-4g-2231 4.15.0-194-generic #205-Ubuntu SMP Fri Sep 16 19:49:27 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux

---> lscpu:
Architecture:        x86_64
CPU op-mode(s):      32-bit, 64-bit
Byte Order:          Little Endian
CPU(s):              4
On-line CPU(s) list: 0-3
Thread(s) per core:  1
Core(s) per socket:  1
Socket(s):           4
NUMA node(s):        1
Vendor ID:           AuthenticAMD
CPU family:          23
Model:               49
Model name:          AMD EPYC-Rome Processor
Stepping:            0
CPU MHz:             2800.000
BogoMIPS:            5600.00
Virtualization:      AMD-V
Hypervisor vendor:   KVM
Virtualization type: full
L1d cache:           32K
L1i cache:           32K
L2 cache:            512K
L3 cache:            16384K
NUMA node0 CPU(s):   0-3
Flags:               fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl xtopology cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 xsaves clzero xsaveerptr arat npt nrip_save umip rdpid arch_capabilities

---> nproc:
4

---> df -h:
Filesystem      Size  Used Avail Use% Mounted on
udev            7.9G     0  7.9G   0% /dev
tmpfs           1.6G  676K  1.6G   1% /run
/dev/vda1        78G  8.4G   69G  11% /
tmpfs           7.9G     0  7.9G   0% /dev/shm
tmpfs           5.0M     0  5.0M   0% /run/lock
tmpfs           7.9G     0  7.9G   0% /sys/fs/cgroup
/dev/vda15      105M  4.4M  100M   5% /boot/efi
tmpfs           1.6G     0  1.6G   0% /run/user/1001

---> free -m:
              total        used        free      shared  buff/cache   available
Mem:          16040         556       13269           0        2213       15161
Swap:          1023           0        1023

---> ip addr:
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
       valid_lft forever preferred_lft forever
    inet6 ::1/128 scope host 
       valid_lft forever preferred_lft forever
2: ens3: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1458 qdisc mq state UP group default qlen 1000
    link/ether fa:16:3e:d9:f5:96 brd ff:ff:ff:ff:ff:ff
    inet 10.30.107.247/23 brd 10.30.107.255 scope global dynamic ens3
       valid_lft 86228sec preferred_lft 86228sec
    inet6 fe80::f816:3eff:fed9:f596/64 scope link 
       valid_lft forever preferred_lft forever

---> sar -b -r -n DEV:
Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-2231) 	12/30/25 	_x86_64_	(4 CPU)

12:13:20     LINUX RESTART	(4 CPU)

12:14:01          tps      rtps      wtps   bread/s   bwrtn/s
12:15:01       317.31     24.00    293.32    808.00  53573.60
12:16:01       106.92      1.03    105.88    118.51  11846.83
Average:       212.11     12.51    199.60    463.26  32710.21

12:14:01    kbmemfree   kbavail kbmemused  %memused kbbuffers  kbcached  kbcommit   %commit  kbactive   kbinact   kbdirty
12:15:01     13887456  15522904   2537512     15.45     63032   1768304    784416      4.49    778656   1533636    104220
12:16:01     13604528  15538800   2820440     17.17     87436   2026396    764508      4.38    778404   1783916    122104
Average:     13745992  15530852   2678976     16.31     75234   1897350    774462      4.43    778530   1658776    113162

12:14:01        IFACE   rxpck/s   txpck/s    rxkB/s    txkB/s   rxcmp/s   txcmp/s  rxmcst/s   %ifutil
12:15:01           lo      2.60      2.60      0.29      0.29      0.00      0.00      0.00      0.00
12:15:01         ens3    108.08     76.17    917.22     26.45      0.00      0.00      0.00      0.00
12:16:01           lo      1.20      1.20      0.13      0.13      0.00      0.00      0.00      0.00
12:16:01         ens3     67.84     50.77    853.94     10.65      0.00      0.00      0.00      0.00
Average:           lo      1.90      1.90      0.21      0.21      0.00      0.00      0.00      0.00
Average:         ens3     87.96     63.47    885.58     18.55      0.00      0.00      0.00      0.00

---> sar -P ALL:
Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-2231) 	12/30/25 	_x86_64_	(4 CPU)

12:13:20     LINUX RESTART	(4 CPU)

12:14:01        CPU     %user     %nice   %system   %iowait    %steal     %idle
12:15:01        all     22.33      0.00      2.36      5.29      0.07     69.95
12:15:01          0     30.94      0.00      3.58      3.55      0.08     61.85
12:15:01          1     35.98      0.00      2.75      1.05      0.10     60.11
12:15:01          2      6.79      0.00      1.27      9.86      0.07     82.01
12:15:01          3     15.76      0.00      1.85      6.66      0.05     75.68
12:16:01        all     19.72      0.00      1.45      2.87      0.05     75.91
12:16:01          0      1.75      0.00      0.70      6.73      0.03     90.78
12:16:01          1     59.16      0.00      3.42      1.68      0.10     35.64
12:16:01          2      7.76      0.00      0.92      1.82      0.05     89.46
12:16:01          3     10.16      0.00      0.75      1.22      0.02     87.85
Average:        all     21.03      0.00      1.91      4.08      0.06     72.93
Average:          0     16.33      0.00      2.14      5.14      0.06     76.33
Average:          1     47.57      0.00      3.08      1.37      0.10     47.87
Average:          2      7.27      0.00      1.10      5.86      0.06     85.72
Average:          3     12.96      0.00      1.30      3.94      0.03     81.77